Arch-fitting machine.



C..J. SYKES.

ARCH HTHNG MACHINE.

APPLICATION FILED MAY 1. 1915.

1 1 90., 1 2. Patented July 11, 1916.

2 SHEETS-SHEET C. J. SYKES.

ARCH FITTING MACHINE.

APPLICATION FlLED MAY 1. 1915.

1,1 mam, Patented July 11, 1916.

2 SHEETS-SHEET 2.

. slide bar 13, so that the f f f the slide bar 13.

UNTTEU STATES PATENT FFTQE.

CHARLES JEFFERSON SYKES,

OF CHICAGO, ILLINOIS, ASSIGNOR TO THE SCHOLL Iw'IANU- FACTURING COMPANY,OF CHICAGO, ILLINOIS, A CORPORATION OF NEXT] YORK.

ARCH-FITTING MACHINE.

Specification of Letters Patent.

Patented July 11, 191%.

Among the objects of my invention ,is to provide a structure whichisjsimplefcheap,

easy to manipulate, powerful inaction, and readily adjustable to requrements of use. I

"In the. drawings, wherein I have shown an embodiment of my inventionFlgure 1 1s aside elevation of the arch fitter; F g. 21s

a longitudinal section therethreugh on line 2--2 of Fig. 3; Fig. 3 is aplan view, a portion of the handle being broken away; Fig. 1 is an endelevation; Fig. section on line 5 5 of Fig.1; and Fig. 6 is a verticalfragmentary section online ofFig. 2.

In the drawings 10 indicates the frame provided with an anvil portion11, with which cooperates a pressure head 12 car ried by a slide bar 13.guidably mounted to slide in the frame, under thecont rol of anoperating lever 14, which is pivoted to the base for manual operation.Specifically the frame 10 comprises a base 16, above which rise parallelside walls 17- 17 connected at their front-by the anvil casting 11 andat their rear end by cross-bar 18., The anvil is preferablymadeint'egral with the frame and has the pressure receiving face at itsfront end at aproper height to permit the slide bar 13'to passtherebelow. The brace 18is also disposed above rameprovides a channel orslide way for 7 open at both ends. The slide bar 13 is made preferablyof channeled construction for lightness, with side walls 20-20 connectedby an end wall 21 and with its front end merging into a broadenedpressure arm 22 that extends up into alinement with the broad anvil faceand that carries the pressure head 12. For operating the slide bar thelever 14 is pivoted as at 24: between the side walls 1717 rockrearwardly through the slot that 5 is a vertical the path of the back ofthe anvil, and may left between the side walls above the brace 18. Thelower end of said lever is channeled as at 2'7 and within the channel ispivoted, as at 28, to one end of a connecting link 30, the other end ofwhich extends down into the channel of the slide bar 13 and carries across pin 31 that slides in slots 3232 formed in the side walls of theslide-bar. An adjustable screw 33 extends through the rear wall 21 oftheslide on a level with the slots 32 to limit adj ustably the range withinwhich the pin 31 may slide in the slots 32, varying the ex tent to whichthe slide bar'13can be moved by oscillation of the lever 14:. The conne'cting link 30 is given a curvature, some what 8 shaped, so that inits displacement under'the lever operation it may not in'tcn fere withthe brace 18, although its pin carrying end ofthe link moves in a pathbeyond said brace.

When the lever 14 is forced down to; the end of its throw, resting oncross bar 18, a togglelock is formed holding the head 12 from movementaway from the anvil and leaving the operators' hands freeto work ontherigidly held arch support. The position of thesliding head withrespect to the anvil "face when the toggle lock comes into action will,of course, depend upon the position of the adjusting screw When thescrew is turned to a point near its inner limit of movement as in .Fig.2, the structure operatesas a vise without looking the head in place,and the handle moving to the dotted line position draws the head againstthe anvil without swinging the link pivot past dead center.

The active face of the anvil 11, as shown at 40, isgiven compoundcurvatures, representing approximately the maximum 'curvzi-o tures thatmay be required in instep arch adjustment, said surfaces being concavedwhen viewed in plan as in Fig. 3,and convexly curved when viewedinfcross section, as in Fig. 2, after the fashion of the maximumexpected curvatures of the plantar surface of the human instep. I

The pressure head 12 is generally a block, preferably made of wood andfaced with leather as at 411, saidblock being convexly curved in plan atits front face and at its rear'face made flat, with a dovetailed groove42 to interfit with the dovetail projection E13, thatis formed on theinner face of arm 22.

lever, under Of course pressure blocks of different shapes may,interchangeably, be applied to the arm.

In the upper surface of the anvil, where it is firmly bridged across theside walls of the frame or base, I provide a recess 45 shapedapproximately to represent the maximum curvatures that may be desirablefor the formation of an anterior-metatarsal-archsupporting protuberancein theforward portion of a metallic arch support.

i In operation an arch support to be fitted has its metal plate portionplaced in the space between the anvil and pressure block, (to whichspace a commercial arch support is preliminarily formed more or lessclosely to correspond) then by the operation of the any desired pressuremay be applied to spring the bottom part of the arch support to thedesired between the anvil and the pressure block into the desiredcurvature, and by employing a hammer and peening the flared inner curvedportlon of the arch support over the convexly curved portion of theanvil, the metal plate may be givena set in the desired curvature.

'sal supporting protuberances the front For formation of anteriormetatarportion of the arch plate is held over the depression 45 and theoperator using a hammer peens the metal into the depression 45 degree.

While 'I have herein described in some detail a particular embodiment ofmy invention it Will be apparent to those skilled in the art thatchanges in detail might be made without departure from the spiritthereof and within the scope of the appended claims.

VHaving described my invention what I claim is:

1. In an arch support fitting machine, the combination of a framecarrying an anvil and provided with a guide way, a slide bar in saidguide way having an arm confronting the anvil and carrying a pressurehead to cooperate With said anvil, a lever above said slide barpositioned at the side of the anvil away from the head and working inthe direction of slide movement, a link connection between said leverand said slide bar, and means for varying the throw of said slide bar. 7i i 2. In an arch support fitting machine, the combination of a framecarrying an anvil and provided with a guide way, a slide bar in saidguide way having an arm confronting the anvil and carrying a p 'essurehead to cooperate with said anvil, a lever above said slidebar, workingin the direction of slide movement, a link connection between said leverandsaid slide bar, and having a Copies of this patent may be obtainedfor five cents each,

proper adjustment of screw 33,

frame carrying an anvil a guide way, a slide bar carrying a pressurehead to cooperate with said anvil, a lever above said slide bar, workingin the direction of slide movement, a link connection between said leverand said slide bar, having a slot and pin connection with said slide barand means for adjusting the amount of lost n10- tion permitted betweenthe link and slide 4. In an instep arch fitting machine the combinationof a base, an anvil carried thereby, having a, concaved surface at itsend, a slide bar sliding below said base having a pressure arm extendingupward to confront said anvil, said slide bar having a channel in itsrear portion open at its top, a lever pivoted above said slide bar atthe side of the anvil away from the pressure arm, and a link connectionbetween said lever and said slide bar, said link extending into saidchalinel of said slide bar.

' 5. In an instep arch fitting machine the combination of a base, ananvil carried thereby, having a concave'd surface at its end, a slidebar sliding below said base having a pressure arm extending upward toconfront said anvil, said slide bar having a channel in its rear portionopen at its top, a lever pivoted above said slide bar, a link connectionbetween said lever and said slide bar, said link extending into saidchannel of said slide bar, said link at its lower end carrying atransverse pin and the side walls of said slide bar recess having slotstherein to receive said pin, and an ried by said slide bar for limitingthe play of said pin in said slots.

6. In an instep arch fitting machine the combination of a base, an anvilcarried there by and having a co-ncaved surface at its end, 105

nection between the link and slide to vary 115 the position of the armwith respect to the anvil when the lever is in locked position.

In testimony whereof I hereunto set my hand in the presence of twosubscribing witnesses.

CHARLES JEFFERSON SYKES. In the presence of IVM. M. SoHoLL, B. A.MARKHAM.

by addressing the Commissioner of Patents,

Washington, D. C.

adjusting screw carthe pivotal connechaving an arm confront- 65 l

